Hand held infrared detection unit



FIG. 1 is a perspective view of the invention from the upper right side;

FIG. 2 is a top plan view of the invention as shown in FIG. 1;

FIG. 3 is a front elevational view taken along the line 3--3 in FIG. 2;

FIG. 4 is a rear elevational view taken along the line 4--4 in FIG. 2;

FIG. 5 is a left side elevational view taken along the line 5--5 in FIG. 2;

FIG. 6 is a bottom plan view of the invention as shown in FIG. 1; and,

FIG. 7 is a right side elevational view taken along the line 7--7 in FIG. 6. 

The ornamental design for a hand held infrared detection unit, as shown. 